GNU bug report logs - #13004
24.2; vc-diff from vc-log doesn't show diff before renames (for Mercurial backend).

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Package: emacs;

Reported by: Oleksandr Gavenko <gavenkoa <at> gmail.com>

Date: Mon, 26 Nov 2012 18:32:02 UTC

Severity: minor

Found in version 24.2

Fixed in version 30.1

Done: Dmitry Gutov <dmitry <at> gutov.dev>

Bug is archived. No further changes may be made.

Full log

Message #32 received at 13004 <at> debbugs.gnu.org (full text, mbox):

From: Glenn Morris <rgm <at> gnu.org>
To: Oleksandr Gavenko <gavenkoa <at> gmail.com>
Cc: 13004 <at> debbugs.gnu.org
Subject: Re: bug#13004: 24.2;
	vc-diff from vc-log doesn't show diff before renames (for Mercurial
	backend).
Date: Wed, 28 Nov 2012 15:26:33 -0500

Oleksandr Gavenko wrote:

> **PS** Why Emacs uses -r R1 -r R2 for HG? "-c" - do job more better as it
>        actually compares to its first parent.

Because the Emacs command is a specific instance of the general question
"find the difference between revisions R1 and R2". Naively, I expect
these two to be exactly equivalent when R2 = R1 + 1. `bzr help diff'
says they are, I didn't check.
This bug report was last modified 1 year and 157 days ago.

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